// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/compositor/paint_context.h"

#include "third_party/skia/include/core/SkPictureRecorder.h"
#include "ui/gfx/canvas.h"

namespace ui {

PaintContext::PaintContext(cc::DisplayItemList* list,
    float device_scale_factor,
    const gfx::Rect& invalidation)
    : list_(list)
    , owned_recorder_(new SkPictureRecorder)
    , recorder_(owned_recorder_.get())
    , device_scale_factor_(device_scale_factor)
    , invalidation_(invalidation)
{
#if DCHECK_IS_ON()
    root_visited_ = nullptr;
    inside_paint_recorder_ = false;
#endif
}

PaintContext::PaintContext(const PaintContext& other,
    const gfx::Vector2d& offset)
    : list_(other.list_)
    , owned_recorder_(nullptr)
    , recorder_(other.recorder_)
    , device_scale_factor_(other.device_scale_factor_)
    , invalidation_(other.invalidation_)
    , offset_(other.offset_ + offset)
{
#if DCHECK_IS_ON()
    root_visited_ = other.root_visited_;
    inside_paint_recorder_ = other.inside_paint_recorder_;
#endif
}

PaintContext::PaintContext(const PaintContext& other,
    CloneWithoutInvalidation c)
    : list_(other.list_)
    , owned_recorder_(nullptr)
    , recorder_(other.recorder_)
    , device_scale_factor_(other.device_scale_factor_)
    , invalidation_()
    , offset_(other.offset_)
{
#if DCHECK_IS_ON()
    root_visited_ = other.root_visited_;
    inside_paint_recorder_ = other.inside_paint_recorder_;
#endif
}

PaintContext::~PaintContext()
{
}

gfx::Rect PaintContext::ToLayerSpaceBounds(
    const gfx::Size& size_in_context) const
{
    return gfx::Rect(size_in_context) + offset_;
}

gfx::Rect PaintContext::ToLayerSpaceRect(const gfx::Rect& rect) const
{
    return rect + offset_;
}

} // namespace ui
